Strategy backtester
Test any of 20 strategies on any ticker — long, short, or both — against free historical prices, and compare to buy & hold. Set trading cost and a stop-loss for a realistic run. Historical simulation only (dividends not modeled); past performance is not indicative of future results, and this is analysis, not advice.
-2.0%
Total Return
$9,804
Ending Value
-1.0%
CAGR
-30.3%
Max Drawdown
0.14
Sharpe
27%
Win Rate
11
Trades
90%
Time in Market
GM · SMA Crossover Long & Short turned $10,000 into $9,804 (-2.0%) vs buy & hold $20,489 (+104.9%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 106.8%, worst drawdown 30% (vs 29%) · 5 short trades.
Equity curve — $10,000 invested
501 trading daysRecent trades
long & short round-trips| Entry | Exit | Side | Return |
|---|---|---|---|
| 2026-07-31 | 2026-07-31 (open) | LONG | +0.0% |
| 2026-07-09 | 2026-07-31 | SHORT | -15.9% |
| 2026-04-28 | 2026-07-09 | LONG | -2.9% |
| 2026-02-27 | 2026-04-28 | SHORT | -0.3% |
| 2025-05-19 | 2026-02-27 | LONG | +57.3% |
| 2025-04-08 | 2025-05-19 | SHORT | -17.8% |
| 2025-04-03 | 2025-04-08 | LONG | -7.5% |
| 2024-12-23 | 2025-04-03 | SHORT | +12.7% |
| 2024-10-22 | 2024-12-23 | LONG | -2.2% |
| 2024-10-21 | 2024-10-22 | SHORT | -9.8% |
| 2024-10-10 | 2024-10-21 | LONG | +2.6% |
Alt-Data Signal Hub · showing live market data, fetched the moment this page loaded · market & option prices are always live on load · display-only, not advice